Home / 15,170,182.68-20,940,544.90-9,943,527.54

Finding the Fourth Proportional to 15,170,182.68, 20,940,544.90 and 9,943,527.54

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Solution

The fourth proportional to 15,170,182.68, 20,940,544.90 and 9,943,527.54 is: 13,725,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,182.68 : 20,940,544.90 = 9,943,527.54 : x
  2. Step 2: Convert to fraction form
    15,170,182.68/20,940,544.90 = 9,943,527.54/x
  3. Step 3: Cross multiply
    15,170,182.68x = 20,940,544.90 × 9,943,527.54
  4. Step 4: Simplify right side
    15,170,182.68x = 208,222,884,915,756.50
  5. Step 5: Solve for x
    x = 208,222,884,915,756.50/15,170,182.68
  6. Step 6: Final answer
    x = 13,725,799.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.